MinGW GDC updates

[Daniel Green]

A new binary has been posted.  This contains GDC master up to Nov. 28th.

There's one annoyingly significant bug that I am aware of regarding 
exceptions.

Any uncaught exceptions will result in an infinite loop eventually 
dieing due to stack overflow.  However, this is only a minor annoyance 
and something to keep in mind when using GDB.

Installation instructions:

1. Download and install TDM 4.6.1 MinGW64( To a dedicated directory for 
GDC )
2. Extract the downloaded archive into the base of the newly installed 
TDM install.

If you've done this before, you can just do step 2.

MinGW64 installer
http://tdm-gcc.tdragon.net/

You'll need to pull it from the archives. 
http://sourceforge.net/projects/tdm-gcc/files/TDM-GCC%20Installer/Previous/1.1006.0/

GDC binary
https://bitbucket.org/goshawk/gdc/downloads/gcc-4.6.1-tdm64-1-gdc-20130108-D2.060.7z

Please post all issues in D.gnu or on GDC's bugzilla at 
http://gdcproject.org/bugzilla/